Question

Find the value of k if one of the zeroes of the quadratic polynomial

(k-1)x2 + k x + 1 is -3.​

Answer 1

Answer:

Step-by-step explanation:

since -3 is zerof of given polynomial p(x).

so, p(-3)=0

⇒(k-1)x²+ k x + 1 =0

⇒(k-1)×(-3)²+k×-3+1=0

⇒9k-9-3k+1=0

⇒6k=8

⇒k=4/3.